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Data as of Nov 14, 2026

212.4.133.0/24

9 residential-proxy exits · 30 days

O2 Czech Republic, a.s.

Announcement
212.4.128.0/19
RPKI valid
Announced by
AS12570
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
9
3.5% of its addresses · 30 days
Always-on exits
2
22% of its exits
Providers
37
selling exits here
Oct 15, 2026 – Nov 13, 2026

Exits seen per day

2.4K observations

Proxy providers listing exits

  • 2Captcha
  • AnyIP
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • Decodo
  • EnigmaProxy
  • FastProxy
  • FlashProxy
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • IPPeak
  • Infatica
  • KocerRoxy
  • LemonBright
  • MangoProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • Proxyma
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalData
  • VitalExclusive
  • Webshare
  • ZENPROXY_PREMIUM

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
212.4.128.0/198,192CZ-CZNET-20080611O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZALLOCATED PAJun 11, 2008abuse@o2.cz
└ 212.4.133.0/24256PRIBYSLAV-CZMesto PribyslavASSIGNED PAJan 12, 2009abuse@o2.cz
via CZ-CZNET-20080611

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 212.4.128.0/19

212.4.128.0/19

Routing history

Pattern
Stable
First seen
Jun 2008
Current origin since
Oct 2016 · 10 yr
Origin networks
1